;;; pgg.el --- glue for the various PGP implementations.
-;; Copyright (C) 1999 Daiki Ueno
+;; Copyright (C) 1999,2000 Daiki Ueno
;; Author: Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
;; Created: 1999/10/28
(calist field-type field-value)
(let ((s-field (assq field-type calist)))
(cond ((null s-field)
- (cons (cons field-type field-value) calist)
- )
+ (cons (cons field-type field-value) calist))
((memq (cdr s-field) field-value)
calist))))
(eval-and-compile
(luna-define-class pgg-scheme ())
- (luna-define-internal-accessors 'pgg-scheme)
- )
+ (luna-define-internal-accessors 'pgg-scheme))
-(luna-define-generic lookup-key-string (scheme string &optional type)
- "Search keys associated with STRING")
+(luna-define-generic pgg-scheme-lookup-key (scheme string &optional type)
+ "Search keys associated with STRING.")
-(luna-define-generic encrypt-region (scheme start end recipients)
+(luna-define-generic pgg-scheme-encrypt-region (scheme start end recipients)
"Encrypt the current region between START and END.")
-(luna-define-generic decrypt-region (scheme start end)
+(luna-define-generic pgg-scheme-decrypt-region (scheme start end)
"Decrypt the current region between START and END.")
-(luna-define-generic sign-region (scheme start end &optional cleartext)
+(luna-define-generic pgg-scheme-sign-region
+ (scheme start end &optional cleartext)
"Make detached signature from text between START and END.")
-(luna-define-generic verify-region (scheme start end &optional signature)
- "Verify region between START and END
-as the detached signature SIGNATURE.")
+(luna-define-generic pgg-scheme-verify-region
+ (scheme start end &optional signature)
+ "Verify region between START and END as the detached signature SIGNATURE.")
-(luna-define-generic insert-key (scheme)
+(luna-define-generic pgg-scheme-insert-key (scheme)
"Insert public key at point.")
-(luna-define-generic snarf-keys-region (scheme start end)
- "Add all public keys in region between START
-and END to the keyring.")
+(luna-define-generic pgg-scheme-snarf-keys-region (scheme start end)
+ "Add all public keys in region between START and END to the keyring.")
-;;; @ interface functions
+;;; @ utility functions
;;;
(defvar pgg-fetch-key-function (function pgg-fetch-key-with-w3))
`(if (interactive-p)
(let ((buffer (current-buffer)))
(with-temp-buffer
- (let ((,start ,start) (,end ,end) buffer-undo-list)
- (set-buffer-multibyte nil)
+ (let (buffer-undo-list)
(insert-buffer-substring buffer ,start ,end)
(encode-coding-region (point-min)(point-max)
buffer-file-coding-system)
- (setq ,start (point-min) ,end (point-max))
(prog1 (save-excursion ,@body)
(push nil buffer-undo-list)
- (ignore-errors (undo)))
- )))
- ,@body))
+ (ignore-errors (undo))))))
+ (save-restriction
+ (narrow-to-region ,start ,end)
+ ,@body)))
+
+(defun pgg-temp-buffer-show-function (buffer)
+ (let ((window (split-window-vertically)))
+ (set-window-buffer window buffer)
+ (shrink-window-if-larger-than-buffer window)))
(defun pgg-display-output-buffer (start end status)
(if status
(progn
(delete-region start end)
(insert-buffer-substring pgg-output-buffer)
- (decode-coding-region start (point)
- buffer-file-coding-system)
- )
- (with-output-to-temp-buffer pgg-echo-buffer
- (set-buffer standard-output)
- (insert-buffer-substring pgg-errors-buffer)
- )))
+ (decode-coding-region start (point) buffer-file-coding-system))
+ (let ((temp-buffer-show-function
+ (function pgg-temp-buffer-show-function)))
+ (with-output-to-temp-buffer pgg-echo-buffer
+ (set-buffer standard-output)
+ (insert-buffer-substring pgg-errors-buffer)))))
+
+(defvar pgg-passphrase-cache-expiry 16)
+(defvar pgg-passphrase-cache (make-vector 7 0))
+
+(defvar pgg-read-passphrase nil)
+(defun pgg-read-passphrase (prompt &optional key)
+ (if (not pgg-read-passphrase)
+ (if (functionp 'read-passwd)
+ (setq pgg-read-passphrase 'read-passwd)
+ (if (load "passwd" t)
+ (setq pgg-read-passphrase 'read-passwd)
+ (autoload 'ange-ftp-read-passwd "ange-ftp")
+ (setq pgg-read-passphrase 'ange-ftp-read-passwd))))
+ (or (and pgg-cache-passphrase
+ key (setq key (pgg-truncate-key-identifier key))
+ (symbol-value (intern-soft key pgg-passphrase-cache)))
+ (funcall pgg-read-passphrase prompt)))
+
+(defun pgg-add-passphrase-cache (key passphrase)
+ (setq key (pgg-truncate-key-identifier key))
+ (set (intern key pgg-passphrase-cache)
+ passphrase)
+ (run-at-time pgg-passphrase-cache-expiry nil
+ #'pgg-remove-passphrase-cache
+ key))
+
+(defun pgg-remove-passphrase-cache (key)
+ (let ((passphrase (symbol-value (intern-soft key pgg-passphrase-cache))))
+ (when passphrase
+ (fillarray passphrase ?_)
+ (unintern key pgg-passphrase-cache))))
+
+(defmacro pgg-convert-lbt-region (start end lbt)
+ `(let ((pgg-conversion-end (set-marker (make-marker) ,end)))
+ (goto-char ,start)
+ (case ,lbt
+ (CRLF
+ (while (progn
+ (end-of-line)
+ (> (marker-position pgg-conversion-end) (point)))
+ (insert "\r")
+ (forward-line 1)))
+ (LF
+ (while (re-search-forward "\r$" pgg-conversion-end t)
+ (replace-match ""))))))
+
+(put 'pgg-as-lbt 'lisp-indent-function 3)
+
+(defmacro pgg-as-lbt (start end lbt &rest body)
+ `(let ((inhibit-read-only t)
+ buffer-read-only
+ buffer-undo-list)
+ (pgg-convert-lbt-region ,start ,end ,lbt)
+ (let ((,end (point)))
+ ,@body)
+ (push nil buffer-undo-list)
+ (ignore-errors (undo))))
+
+(put 'pgg-process-when-success 'lisp-indent-function 0)
+
+(defmacro pgg-process-when-success (&rest body)
+ `(with-current-buffer pgg-output-buffer
+ (if (zerop (buffer-size)) nil ,@body t)))
+
+
+;;; @ interface functions
+;;;
;;;###autoload
(defun pgg-encrypt-region (start end rcpts)
(list (region-beginning)(region-end)
(split-string (read-string "Recipients: ") "[ \t,]+")))
(let* ((entity (pgg-make-scheme pgg-default-scheme))
- (status (pgg-save-coding-system start end
- (luna-send entity 'encrypt-region entity
- start end rcpts))))
+ (status
+ (pgg-save-coding-system start end
+ (pgg-scheme-encrypt-region entity (point-min)(point-max) rcpts))))
(when (interactive-p)
(pgg-display-output-buffer start end status))
status))
packet))))
pgg-default-scheme))
(entity (pgg-make-scheme scheme))
- (status (pgg-save-coding-system start end
- (luna-send entity 'decrypt-region entity start end))))
+ (status
+ (pgg-save-coding-system start end
+ (pgg-scheme-decrypt-region entity (point-min)(point-max)))))
(when (interactive-p)
(pgg-display-output-buffer start end status))
status))
(interactive "r")
(let* ((entity (pgg-make-scheme pgg-default-scheme))
(status (pgg-save-coding-system start end
- (luna-send entity 'sign-region entity start end
- (or (interactive-p) cleartext)))))
+ (pgg-scheme-sign-region entity (point-min)(point-max)
+ (or (interactive-p) cleartext)))))
(when (interactive-p)
(pgg-display-output-buffer start end status))
status))
(buffer-disable-undo)
(set-buffer-multibyte nil)
(insert-file-contents signature)
- (cdr (assq 2 (pgg-decode-armor-region (point-min)(point-max))))
- )))
+ (cdr (assq 2 (pgg-decode-armor-region
+ (point-min)(point-max)))))))
(scheme
(or pgg-scheme
(cdr (assq 'scheme
(and (stringp key)
(setq key (concat "0x" (pgg-truncate-key-identifier key)))
(null (let ((pgg-scheme scheme))
- (pgg-lookup-key-string key)))
+ (pgg-lookup-key key)))
(or fetch (interactive-p))
(y-or-n-p (format "Key %s not found; attempt to fetch? " key))
(setq keyserver
pgg-default-keyserver-address))
(pgg-fetch-key keyserver key))
(setq status (pgg-save-coding-system start end
- (luna-send entity 'verify-region
- entity start end signature)))
+ (pgg-scheme-verify-region entity (point-min)(point-max)
+ signature)))
(when (interactive-p)
- (with-output-to-temp-buffer pgg-echo-buffer
- (set-buffer standard-output)
- (insert-buffer-substring (if status pgg-output-buffer
- pgg-errors-buffer))
- ))
+ (let ((temp-buffer-show-function
+ (function pgg-temp-buffer-show-function)))
+ (with-output-to-temp-buffer pgg-echo-buffer
+ (set-buffer standard-output)
+ (insert-buffer-substring (if status pgg-output-buffer
+ pgg-errors-buffer)))))
status))
;;;###autoload
"Insert the ASCII armored public key."
(interactive)
(let ((entity (pgg-make-scheme (or pgg-scheme pgg-default-scheme))))
- (luna-send entity 'insert-key entity)))
+ (pgg-scheme-insert-key entity)))
;;;###autoload
(defun pgg-snarf-keys-region (start end)
(interactive "r")
(let ((entity (pgg-make-scheme (or pgg-scheme pgg-default-scheme))))
(pgg-save-coding-system start end
- (luna-send entity 'snarf-keys-region entity start end))))
+ (pgg-scheme-snarf-keys-region entity start end))))
-(defun pgg-lookup-key-string (string &optional type)
+(defun pgg-lookup-key (string &optional type)
(let ((entity (pgg-make-scheme (or pgg-scheme pgg-default-scheme))))
- (luna-send entity 'lookup-key-string entity string type)))
+ (pgg-scheme-lookup-key entity string type)))
(defvar pgg-insert-url-function (function pgg-insert-url-with-w3))
(delete-process process)
(if (and process (eq 'run (process-status process)))
(interrupt-process process))
- (buffer-string)))
- ))
+ (buffer-string)))))
(defun pgg-fetch-key (keyserver key)
"Attempt to fetch a KEY from KEYSERVER for addition to PGP or GnuPG keyring."
(insert "\n")
(with-temp-buffer
(insert-buffer-substring pgg-output-buffer)
- (pgg-snarf-keys-region (point-min)(point-max))))
- )))
+ (pgg-snarf-keys-region (point-min)(point-max)))))))
-;;; @ utility functions
-;;;
-
-(defvar pgg-passphrase-cache-expiry 16)
-(defvar pgg-passphrase-cache (make-vector 7 0))
-
-(defvar pgg-read-passphrase nil)
-(defun pgg-read-passphrase (prompt &optional key)
- (if (not pgg-read-passphrase)
- (if (functionp 'read-passwd)
- (setq pgg-read-passphrase 'read-passwd)
- (if (load "passwd" t)
- (setq pgg-read-passphrase 'read-passwd)
- (autoload 'ange-ftp-read-passwd "ange-ftp")
- (setq pgg-read-passphrase 'ange-ftp-read-passwd))))
- (or (and key (setq key (pgg-truncate-key-identifier key))
- (symbol-value (intern-soft key pgg-passphrase-cache)))
- (funcall pgg-read-passphrase prompt)))
-
-(defun pgg-add-passphrase-cache (key passphrase)
- (setq key (pgg-truncate-key-identifier key))
- (set (intern key pgg-passphrase-cache)
- passphrase)
- (run-at-time pgg-passphrase-cache-expiry nil
- #'pgg-remove-passphrase-cache
- key))
-
-(defun pgg-remove-passphrase-cache (key)
- (unintern key pgg-passphrase-cache))
-
-(defmacro pgg-convert-lbt-region (start end lbt)
- `(let ((pgg-conversion-end (set-marker (make-marker) ,end)))
- (goto-char ,start)
- (case ,lbt
- (CRLF
- (while (progn
- (end-of-line)
- (> (marker-position pgg-conversion-end) (point)))
- (insert "\r")
- (forward-line 1)))
- (LF
- (while (re-search-forward "\r$" pgg-conversion-end t)
- (replace-match ""))))
- ))
-
-(put 'pgg-as-lbt 'lisp-indent-function 3)
-
-(defmacro pgg-as-lbt (start end lbt &rest body)
- `(let ((inhibit-read-only t)
- buffer-read-only
- buffer-undo-list)
- (pgg-convert-lbt-region ,start ,end ,lbt)
- (let ((,end (point)))
- ,@body)
- (push nil buffer-undo-list)
- (ignore-errors (undo))))
-
-
-;;; @ postprocess macros
-;;;
-
-(put 'pgg-process-when-success 'lisp-indent-function 0)
-
-(defmacro pgg-process-when-success (&rest body)
- `(with-current-buffer pgg-output-buffer
- (if (zerop (buffer-size)) nil ,@body t)))
-
(provide 'pgg)
;;; pgg.el ends here
projects / elisp / semi.git / blobdiff